package filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;

public class FilterDemo2 implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("初始化开始---------");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("过滤器执行----");
        servletResponse.setContentType("text/html;charset=UTF-8");
        filterChain.doFilter(servletRequest,servletResponse);
        System.out.println("已经放行=====");
    }

    @Override
    public void destroy() {
        System.out.println("--------结束-------");
    }
}
